[Pierre] recently bought his first car and decided to make his own RFID electric starter for it! An Arduino Nano controls two relays which in turn can turn the car on, start it, and turn it off.

You just power it on, plug the connector into it, then clamp the red and black jumper cables to your car battery, wait for the charger indicator light to turn green, and then start your car.

Sadly, this also means that, in many cases, you'll need to have auto mechanics replace some over time. One of the most ...